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ACPM-7051 Datasheet(PDF) 1 Page - AVAGO TECHNOLOGIES LIMITED

Part No. ACPM-7051
Description  The ACPM- 7051 is a multiband multimode PA which supports GMSK
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Maker  AVAGO [AVAGO TECHNOLOGIES LIMITED]
Homepage  http://www.avagotech.com
Logo AVAGO - AVAGO TECHNOLOGIES LIMITED

ACPM-7051 Datasheet(HTML) 1 Page - AVAGO TECHNOLOGIES LIMITED

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ACPM-7051
Reliability Data Sheet
Description
The ACPM- 7051 is a multiband multimode PA which sup-
ports GMSK and 8-PSK modulation schemes and UMTS
bands 1 and 5. There are two amplifier chains, one is to
support low band (GSM850/900 and UMTS Band5), and
the other is to support high band (DCS1800/PCS1900 and
UMTS band1).
CoolPAM technology, Avago Technologies’ Power Ampli-
fier technologies, provides extended talk time with ex-
tremely low quiescent current and enhanced efficiency at
low and medium power modes.
Reliability Prediction Model
Failure rate predictions are based on HTOL test results.
The prediction uses an exponential cumulative failure
function (constant failure rate) as the reliability predic-
tion model to predict failure rate and mean time to failure
(MTTF) at various temperatures as shown in Table 2. The
wear out mechanisms is therefore not considered. The
Arrhenius temperature de-rating equation is used. We as-
sume no failure mechanism change between stresses and
use conditions. Bias and temperature are alterable stress-
es and must be considered with the thermal resistance of
the devices when determining the stress condition. The
failure rate will have a direct relationship to the life stress.
The failure rate prediction was calculated using activation
energy of 1.58eV as a conservative estimate. Confidence
intervals are based upon the chi-squared prediction
method associated with exponential distribution.
Table 1. Life prediction:
Demonstrated Performance
Test Name
Stress Condition
Total Units Tested
Total Device Hours
Number of Failed Units
DC-High Temperature
Operating Life
Tjunction=150
°C
75
37800 hrs
0/75
Table 2. Estimated for Various Channel Temperatures are as follows:
Channel Temp.
(
°C)
Point Typical Performance
MTTF (yrs/failure)
90% Confidence
MTTF (yrs)
Point Typical
Performance FIT
90% Confidence
FIT
150
4.31
1.87
26455.03
60978.84
125
65.64
28.48
1737.88
4005.81
100
1439.39
624.46
79.25
182.68
85
11289.53
4897.84
10.10
23.29
60
527941.41
229041.83
0.22
0.50
Point typical MTTF is simply the total device hours divided by the number of failures. Since no failures were observed, the point
estimate is calculated under the assumption that one unit failed. FIT rates shown are relatively high due to the limited device hours
at product release.


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